import type EventEmitter from "events";
import type { AnyFn } from "../ts/types.js";
export interface UnloadFn extends AnyFn {
    source?: string;
}
export type UnloadFnSet = Set<UnloadFn>;
export type NullishUnloadFnSet = UnloadFnSet | null;
type UnloadableEmitter<E extends EventEmitter> = E & {
    onU: (unloads: NullishUnloadFnSet, ...args: Parameters<E["on"]>) => UnloadFn;
    onceU: (unloads: NullishUnloadFnSet, ...args: Parameters<E["once"]>) => UnloadFn;
};
export declare const unloadableEmitter: <E extends EventEmitter, UC extends NullishUnloadFnSet>(eventEmitter: E, emitterUnloads: UC, eventEmitterName?: string) => UnloadableEmitter<E>;
export {};
//# sourceMappingURL=emitterWithUnloads.d.ts.map